diff --git a/pkgs/development/tools/analysis/radare2/cutter.nix b/pkgs/development/tools/analysis/radare2/cutter.nix
index 4269661a4ff3..659d6a94f5eb 100644
--- a/pkgs/development/tools/analysis/radare2/cutter.nix
+++ b/pkgs/development/tools/analysis/radare2/cutter.nix
@@ -8,7 +8,7 @@
 , python3 }:
 
 let
-  version = "1.7";
+  version = "1.7.1";
 in
 stdenv.mkDerivation rec {
   name = "radare2-cutter-${version}";
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
     owner = "radareorg";
     repo = "cutter";
     rev = "v${version}";
-    sha256 = "0z9wzxd5hw0ivakrg3xiv4zx1rjj032hlmizq0pxj22xjrj1gg9n";
+    sha256 = "0dfi6f016jnh3swppvks5qkvmk0j2hvggh9sd1f40kg9pg5p08hy";
   };
 
   postUnpack = "export sourceRoot=$sourceRoot/src";
@@ -49,6 +49,6 @@ stdenv.mkDerivation rec {
     description = "A Qt and C++ GUI for radare2 reverse engineering framework";
     homepage = src.meta.homepage;
     license = licenses.gpl3;
-    maintainers = with maintainers; [ dtzWill ];
+    maintainers = with maintainers; [ mic92 dtzWill ];
   };
 }
diff --git a/pkgs/development/tools/analysis/radare2/default.nix b/pkgs/development/tools/analysis/radare2/default.nix
index 85559269f279..f10b820a73ea 100644
--- a/pkgs/development/tools/analysis/radare2/default.nix
+++ b/pkgs/development/tools/analysis/radare2/default.nix
@@ -86,22 +86,22 @@ in {
   #<generated>
   # DO NOT EDIT! Automatically generated by ./update.py
   radare2 = generic {
-    version_commit = "19251";
-    gittap = "2.8.0";
-    gittip = "a76b965410aba07b4ef8b96d90b25b271c2003dd";
-    rev = "2.8.0";
-    version = "2.8.0";
-    sha256 = "1d9rkzc3vychy2h1bnywwx4why83rr18r0lvvl1cqx87ad5awcjk";
+    version_commit = "19349";
+    gittap = "2.9.0";
+    gittip = "d5e9539ec8068ca2ab4759dc3b0697781ded4cc8";
+    rev = "2.9.0";
+    version = "2.9.0";
+    sha256 = "0zz6337p9095picfvjrcnqaxdi2a2b68h9my523ilnw8ynwfhdzw";
     cs_tip = "782ea67e17a391ca0d3faafdc365b335a1a8930a";
     cs_sha256 = "1maww4ir78a193pm3f8lr2kdkizi7rywn68ffa65ipyr7j4pl6i4";
   };
   r2-for-cutter = generic {
-    version_commit = "19251";
-    gittap = "2.8.0-118-gb0547831f";
-    gittip = "b0547831f127b7357e3c93bc43933482a4d6213b";
-    rev = "b0547831f127b7357e3c93bc43933482a4d6213b";
-    version = "2018-08-07";
-    sha256 = "1ix42kipd1aayb494ajbxawzc1cwikm9fxk343d1kchxx4a30a1m";
+    version_commit = "19349";
+    gittap = "2.8.0-189-gf82b28982";
+    gittip = "f82b289822825e4c7403734f3b95dfd7f5e4f725";
+    rev = "f82b289822825e4c7403734f3b95dfd7f5e4f725";
+    version = "2018-08-14";
+    sha256 = "0zc2a09xmwbxphxd1b0ia0zm8323wfcmxwwx6k239681jj9qwgr1";
     cs_tip = "782ea67e17a391ca0d3faafdc365b335a1a8930a";
     cs_sha256 = "1maww4ir78a193pm3f8lr2kdkizi7rywn68ffa65ipyr7j4pl6i4";
   };
diff --git a/pkgs/development/tools/analysis/radare2/update.py b/pkgs/development/tools/analysis/radare2/update.py
index fae6a52a3920..45920fd1e4bf 100755
--- a/pkgs/development/tools/analysis/radare2/update.py
+++ b/pkgs/development/tools/analysis/radare2/update.py
@@ -13,6 +13,8 @@ from datetime import datetime
 from pathlib import Path
 from typing import Dict
 
+SCRIPT_DIR = Path(__file__).parent.resolve()
+
 
 def sh(*args: str) -> str:
     out = subprocess.check_output(list(args))
@@ -34,8 +36,17 @@ def get_radare2_rev() -> str:
     return release["tag_name"]
 
 
+def get_cutter_version() -> str:
+    version_expr = """
+(with import <nixpkgs> {}; (builtins.parseDrvName (qt5.callPackage ./cutter.nix {}).name).version)
+"""
+    with SCRIPT_DIR:
+        return sh("nix", "eval", "--raw", version_expr.strip())
+
+
 def get_r2_cutter_rev() -> str:
-    url = "https://api.github.com/repos/radareorg/cutter/contents/"
+    version = get_cutter_version()
+    url = f"https://api.github.com/repos/radareorg/cutter/contents?ref=v{version}"
     with urllib.request.urlopen(url) as response:
         data = json.load(response)  # type: ignore
     for entry in data: